Company Filing History:
Years Active: 1981-1993
Title: **Ying K Shum: A Pioneer in Semiconductor Innovations**
Introduction
Ying K Shum is a noteworthy inventor based in Cupertino, California, with a commendable portfolio of five patents in the field of semiconductor technology. His contributions have significantly advanced the design and functionality of electronic components, showcasing his expertise and innovative spirit.
Latest Patents
Among his latest patents, Ying K Shum has developed a patented method for making bipolar transistors. This method incorporates a semiconductor structure with a high precision analog polysilicon capacitor, which features a self-aligned extrinsic base region of a bipolar transistor. The innovative approach allows for the simultaneous formation of the capacitor's dielectric layer and the base region, enabling enhanced performance and precision.
Another significant invention by Shum is the Electrically Alterable Non-Volatile Memory (EANOM) cell. This invention includes an MOS transistor and a unique two-terminal tunnel device, which facilitates the storage and removal of charges from the transistor's gate. The EANOM cell can operate in a tandem configuration, ensuring the reliability of memory circuits even in the event of catastrophic failures of individual cells.
Career Highlights
Ying K Shum has held key positions in notable companies such as National Semiconductor Corporation and Sierra Semiconductor. His experience in these organizations has equipped him with the practical knowledge and skills necessary to push the boundaries of semiconductor technology.
Collaborations
Throughout his career, Shum has collaborated with esteemed colleagues such as Giora Yaron and Ury Priel. These collaborations have likely enriched his research and innovation processes, ultimately leading to his significant patents and developments in the semiconductor industry.
Conclusion
Ying K Shum’s contributions to semiconductor technology demonstrate a remarkable blend of creativity and technical acumen. His inventions, particularly in bipolar transistors and non-volatile memory devices, showcase his role as a pivotal figure in the evolution of electronic components. As technology continues to advance, inventors like Ying K Shum will undoubtedly play an integral role in shaping the future of the industry.